Plastic bottle



FIG. 1 is an elevational view of a typical side of a plastic bottle embodying my design, each of the sides being identical to the other;

FIG. 2 is a top plan view thereof; and,

FIG. 3 is a botton view thereof.

The broken lines showing a bottle cap in FIGS. 1 and 2 are for illustrative purposes only and do not form part of the claimed design. 

The ornamental design for a plastic bottle, as shown and described. 